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公开(公告)号：US10895249B2
公开(公告)日：2021-01-19
申请号：US15487058
申请日：2017-04-13
IPC分类号： F04B1/146 , F04B1/145 , B60K7/00 , F16H39/12 , F04B1/295 , F04B49/12 , F16H39/14 , F16H39/00 , B60K17/10 , B60K17/356 , F16H61/4174 , F16H39/42 , F16H39/06 , B60K17/14 , B60K17/04 , B60K25/06
摘要： A hydraulic transaxle comprises an axial piston hydraulic pump having a variable displacement, and a transaxle casing incorporating the hydraulic pump. The hydraulic pump includes a movable swash plate and a pair of trunnion shafts. The transaxle casing includes a pair of side walls, and includes a pair of casing holes each of which penetrates each of the side walls between an inside and an outside of the transaxle casing. The pair of trunnion shafts are passed through the respective casing holes. The swash plate is formed with a pair of swash plate holes in the respective side portions facing the respective side walls in the inside of the transaxle casing. Proximal end portions of the respective trunnion shafts are inserted into the respective swash plate holes. A distal end portion of one of the trunnion shafts projects from the corresponding casing hole to the outside of the transaxle casing.
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公开(公告)号：US09549504B2
公开(公告)日：2017-01-24
申请号：US14250091
申请日：2014-04-10
IPC分类号： F16H61/427 , A01D69/03 , A01D34/69 , B60K17/10 , E02F9/22
CPC分类号： A01D69/03 , A01D34/69 , B60K17/105 , B60Y2200/223 , E02F9/225 , E02F9/2253 , F16H61/427
摘要： Transaxle systems for a vehicle are disclosed where each of right and left transaxle units includes a hydraulic pump, a hydraulic motor and a casing incorporating the hydraulic pump and motor. Each hydraulic pump has a pump displacement control means operatively connected to a pump control arm pivoted on the casing, and each hydraulic motor has a motor displacement control means operatively connected to a motor control arm pivoted on the casing. A single motor controlling manipulator is operatively connected to the motor control arms to simultaneously shift the motor displacement control means of the right and left transaxle units between large displacement positions and small displacement positions.
摘要翻译： 公开了用于车辆的变速驱动桥系统，其中右和左驱动桥单元中的每一个包括液压泵，液压马达和结合有液压泵和马达的壳体。 每个液压泵具有可操作地连接到枢转在壳体上的泵控制臂的泵排量控制装置，并且每个液压马达具有可操作地连接到枢转在壳体上的马达控制臂的马达位移控制装置。 单个电动机控制操纵器可操作地连接到电动机控制臂，以同时使右和左驱动桥单元的电动机位移控制装置在大位移位置和小位移位置之间移动。
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公开(公告)号：US20150007555A1
公开(公告)日：2015-01-08
申请号：US14179334
申请日：2014-02-12
发明人： Oscar H. SALDIERNA , Toshifumi Yasuda , Koji Iwaki , Katsumoto Mizukawa , Daisuke Murashima , Masaru Ilda
IPC分类号： F15B15/02
CPC分类号： F15B15/02 , B60Y2200/223 , F15B15/08 , F15B15/26 , F16H39/06 , F16H39/14 , F16H61/0003 , F16H61/437 , F16H63/3425 , F16H2700/02
摘要： A transaxle includes a hydrostatic transmission and an axle driven by the hydrostatic transmission. The hydrostatic transmission includes a hydraulic pump and a hydraulic motor fluidly connected to each other. The hydraulic pump has a pump shaft. The hydraulic motor has a motor shaft drivingly connected to the axle. The motor shaft has an axis extended slantwise from an axis of the pump shaft. The transaxle further includes a gear train for transmitting power from the motor shaft to the axle, and a gear locking system having a locking pawl. A gear of the gear train is adapted to engage with the locking pawl.
摘要翻译： 变速驱动桥包括液压传动和由静液压传动驱动的轴。 静液压变速器包括液压泵和彼此流体连接的液压马达。 液压泵具有泵轴。 液压马达具有驱动地连接到轴的马达轴。 电动机轴具有从泵轴的轴线倾斜延伸的轴线。 变速驱动桥还包括用于将动力从电机轴传递到轴的齿轮系，以及具有锁定爪的齿轮锁定系统。 齿轮系的齿轮适于与锁定爪接合。
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公开(公告)号：US20140223898A1
公开(公告)日：2014-08-14
申请号：US14250091
申请日：2014-04-10
IPC分类号： F16H61/44
CPC分类号： A01D69/03 , A01D34/69 , B60K17/105 , B60Y2200/223 , E02F9/225 , E02F9/2253 , F16H61/427
摘要： Transaxle systems for a vehicle are disclosed where each of right and left transaxle units includes a hydraulic pump, a hydraulic motor and a casing incorporating the hydraulic pump and motor. Each hydraulic pump has a pump displacement control means operatively connected to a pump control arm pivoted on the casing, and each hydraulic motor has a motor displacement control means operatively connected to a motor control arm pivoted on the casing. A single motor controlling manipulator is operatively connected to the motor control arms to simultaneously shift the motor displacement control means of the right and left transaxle units between large displacement positions and small displacement positions.
摘要翻译： 公开了用于车辆的变速驱动桥系统，其中右和左驱动桥单元中的每一个包括液压泵，液压马达和结合有液压泵和马达的壳体。 每个液压泵具有可操作地连接到枢转在壳体上的泵控制臂的泵排量控制装置，并且每个液压马达具有可操作地连接到枢转在壳体上的马达控制臂的马达位移控制装置。 单个电动机控制操纵器可操作地连接到电动机控制臂，以同时使右和左驱动桥单元的电动机位移控制装置在大位移位置和小位移位置之间移动。
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公开(公告)号：US10012301B2
公开(公告)日：2018-07-03
申请号：US15471863
申请日：2017-03-28
发明人： Katsumoto Mizukawa
CPC分类号： F16H48/24 , F16H48/08 , F16H48/20 , F16H57/045 , F16H57/0452 , F16H57/0483
摘要： In a differential locking mechanism, a first differential side gear is fixed on a first axle, a second differential side gear is fixed on a second axle, and a bull gear including an engagement part is disposed between the first and second side gears. A cylindrical part is provided on the first differential side gear unrotatably relative to the first differential side gear, and includes a circumferential portion surrounding the first differential side gear. A differential locking slider is fitted on the circumferential portion of the cylindrical part unrotatably relative to the cylindrical part and axially slidably. The differential locking slider is slidable in a direction to engage its engagement part with the engagement part of the bull gear, and in another direction to disengage its engagement part from the engagement part of the bull gear.
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公开(公告)号：US09453519B2
公开(公告)日：2016-09-27
申请号：US14179334
申请日：2014-02-12
发明人： Oscar H. Saldierna , Toshifumi Yasuda , Koji Iwaki , Katsumoto Mizukawa , Daisuke Murashima , Masaru Iida
IPC分类号： F15B15/02 , F15B15/08 , F16H61/00 , F15B15/26 , F16H61/437 , F16H63/34 , F16H39/06 , F16H39/14
CPC分类号： F15B15/02 , B60Y2200/223 , F15B15/08 , F15B15/26 , F16H39/06 , F16H39/14 , F16H61/0003 , F16H61/437 , F16H63/3425 , F16H2700/02
摘要： A transaxle includes a hydrostatic transmission and an axle driven by the hydrostatic transmission. The hydrostatic transmission includes a hydraulic pump and a hydraulic motor fluidly connected to each other. The hydraulic pump has a pump shaft. The hydraulic motor has a motor shaft drivingly connected to the axle. The motor shaft has an axis extended slantwise from an axis of the pump shaft. The transaxle further includes a gear train for transmitting power from the motor shaft to the axle, and a gear locking system having a locking pawl. A gear of the gear train is adapted to engage with the locking pawl.
摘要翻译： 变速驱动桥包括液压传动和由静液压传动驱动的轴。 静液压变速器包括液压泵和彼此流体连接的液压马达。 液压泵具有泵轴。 液压马达具有驱动地连接到轴的马达轴。 电动机轴具有从泵轴的轴线倾斜延伸的轴线。 变速驱动桥还包括用于将动力从电机轴传递到轴的齿轮系，以及具有锁定爪的齿轮锁定系统。 齿轮系的齿轮适于与锁定爪接合。
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公开(公告)号：US20150075155A1
公开(公告)日：2015-03-19
申请号：US14550499
申请日：2014-11-21
IPC分类号： F16H39/06
CPC分类号： F16H39/06 , B60K17/00 , B60K17/10 , B60K17/105 , B60Y2200/223 , F16H39/00 , F16H39/14 , F16H61/4174
摘要： An apparatus comprises a hydrostatic transmission and a casing incorporating the hydrostatic transmission. The hydrostatic transmission includes a hydraulic pump, a hydraulic motor and a center section. The hydraulic pump and the hydraulic motor are attached to the center section that is formed therein with a fluid sump fluidly connecting the hydraulic pump to the hydraulic motor. At least a bottom portion of the center section is submerged in a fluid sump in the casing. A charge port for fluidly connecting the fluid sump to the fluid passage is open at the bottom portion of the center section in the fluid sump, The bottom portion of the center section is downwardly convex so as to have an apex at the lowest portion. The opening of the charge port is directed to the apex of the convex bottom portion of the center section.
摘要翻译： 一种装置包括静液压传动装置和结合有静液压传动装置的套管。 液压传动包括液压泵，液压马达和中心部分。 液压泵和液压马达安装在其上形成有流体池的中心部分，该液槽将液压泵流体连接到液压马达。 至少中心部分的底部部分浸没在壳体中的流体槽中。 用于将流体池流体连接到流体通道的装料口在流体槽中的中心部分的底部处开口。中心部分的底部向下凸出以在最低部分具有顶点。 充电口的开口被引导到中心部分的凸底部的顶点。
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公开(公告)号：US10753448B2
公开(公告)日：2020-08-25
申请号：US16000143
申请日：2018-06-05
发明人： Katsumoto Mizukawa
摘要： In a transaxle, the transaxle includes a hydrostatic continuously variable transmission, at least one axle, a gear train for drivingly connecting the hydrostatic continuously variable transmission and the axle, a housing accommodating the hydrostatic continuously variable transmission, the axle, the gear train and storing an oil therein, and a reservoir tank connected to the housing so that the oil in the housing can be moved back and forth. The reservoir tank has a rectangular parallelepiped shape and is disposed on a side of a final reduction bull gear included in the gear train and above the axle along an axis direction of the axle.
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